18408740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5717}}^1$

素因数の和:5756

約数の個数: 48

約数和(自身を含む): 46109952

約数和(自身を除く): 27701212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5717, 11434, 22868, 28585, 40019, 57170, 80038, 114340, 131491, 160076, 200095, 262982, 400190, 525964, 657455, 800380, 920437, 1314910, 1840874, 2629820, 3681748, 4602185, 9204370, 18408740]

約数ペア:

[(1, 18408740), (2, 9204370), (4, 4602185), (5, 3681748), (7, 2629820), (10, 1840874), (14, 1314910), (20, 920437), (23, 800380), (28, 657455), (35, 525964), (46, 400190), (70, 262982), (92, 200095), (115, 160076), (140, 131491), (161, 114340), (230, 80038), (322, 57170), (460, 40019), (644, 28585), (805, 22868), (1610, 11434), (3220, 5717)]